Supplemental Guarantor Information Condensed Consolidated Statements of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities	$ 113,467	$ 271,634	$ 416,173
Payments to Acquire Investments	(8,052)	(12,959)	(49,501)
Payments for (Proceeds from) Investments	34,796	21,695	6,246
Payments to Acquire Productive Assets	(100,813)	(115,641)	(119,988)
Payments to Acquire Businesses, Net of Cash Acquired	116,898	(29,297)
Proceeds from Discontinued Operations Sale of Assets and Other	4,478	3,087	2,282
Payments to Acquire Interest in Subsidiaries and Affiliates	0	0	0
Net Cash Provided by (Used in) Investing Activities	(186,489)	(133,115)	(160,961)
Proceeds from Convertible Debt	300,000	0	27,500
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	(60,628)	(97,170)	(85,519)
Payments to Acquire Royalty Interests in Mining Properties	(57,034)	(74,734)	(73,191)
Payments on gold lease facility	0	0	(13,800)
Additions to Restricted Assets	0	4,645	(1,326)
Additions to funds held financing			(1,326)
Payments for Repurchase of Common Stock	(27,552)	(19,971)	0
Proceeds From Repayment Intercompany Borrowings	0	0	0
Proceeds from (Payments for) Other Financing Activities	(514)	(861)	18
Net Cash Provided by (Used in) Financing Activities	154,272	(188,091)	(146,318)
Cash and Cash Equivalents, Period Increase (Decrease)	81,250	(49,572)	108,894
Cash and Cash Equivalents, at Carrying Value	206,690	125,440	175,012
Coeur Mining, Inc.
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities	(701,653)	58,754	132,318
Payments to Acquire Investments	(2,921)	(12,913)	(49,321)
Payments for (Proceeds from) Investments	29,274	21,590	6,138
Payments to Acquire Productive Assets	(3,573)	(1,531)	(567)
Payments to Acquire Businesses, Net of Cash Acquired	(113,214)	(29,338)
Proceeds from Discontinued Operations Sale of Assets and Other	3,266	3,538	1,216
Payments to Acquire Interest in Subsidiaries and Affiliates	642,617	(81,229)	(151,313)
Net Cash Provided by (Used in) Investing Activities	555,449	(99,883)	(193,847)
Proceeds from Convertible Debt	300,000		0
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	(52,568)	(4,005)	(37,983)
Payments to Acquire Royalty Interests in Mining Properties	0	0	0
Payments on gold lease facility			(13,800)
Additions to Restricted Assets		0
Additions to funds held financing			0
Payments for Repurchase of Common Stock	(27,552)	(19,971)
Proceeds From Repayment Intercompany Borrowings	(22,874)	67,082	163,224
Proceeds from (Payments for) Other Financing Activities	(514)	(861)	18
Net Cash Provided by (Used in) Financing Activities	196,492	42,245	111,459
Cash and Cash Equivalents, Period Increase (Decrease)	50,288	1,116	49,930
Cash and Cash Equivalents, at Carrying Value	137,076	86,788	85,672
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities	17,456	37,426	38,152
Payments to Acquire Investments	(66)	(46)	(60)
Payments for (Proceeds from) Investments	75	45	48
Payments to Acquire Productive Assets	(50,810)	(48,788)	(61,288)
Payments to Acquire Businesses, Net of Cash Acquired	(3,684)	0
Proceeds from Discontinued Operations Sale of Assets and Other	444	130	903
Payments to Acquire Interest in Subsidiaries and Affiliates	68	0	0
Net Cash Provided by (Used in) Investing Activities	(53,973)	(48,659)	(60,397)
Proceeds from Convertible Debt	0		27,500
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	(3,171)	(79,839)	(30,493)
Payments to Acquire Royalty Interests in Mining Properties	0	0	0
Payments on gold lease facility			0
Additions to Restricted Assets		4,645
Additions to funds held financing			(1,326)
Payments for Repurchase of Common Stock	0	0
Proceeds From Repayment Intercompany Borrowings	40,279	86,394	26,239
Proceeds from (Payments for) Other Financing Activities	0	0	0
Net Cash Provided by (Used in) Financing Activities	37,108	11,200	21,920
Cash and Cash Equivalents, Period Increase (Decrease)	591	(33)	(325)
Cash and Cash Equivalents, at Carrying Value	991	400	433
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities	151,491	256,683	397,016
Payments to Acquire Investments	(5,065)	0	(120)
Payments for (Proceeds from) Investments	5,447	60	60
Payments to Acquire Productive Assets	(46,430)	(65,322)	(58,133)
Payments to Acquire Businesses, Net of Cash Acquired	0	41
Proceeds from Discontinued Operations Sale of Assets and Other	768	(581)	163
Payments to Acquire Interest in Subsidiaries and Affiliates	3,488	0	0
Net Cash Provided by (Used in) Investing Activities	(41,792)	(65,802)	(58,030)
Proceeds from Convertible Debt	0		0
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	(4,889)	(13,326)	(17,043)
Payments to Acquire Royalty Interests in Mining Properties	(57,034)	(74,734)	(73,191)
Payments on gold lease facility			0
Additions to Restricted Assets		0
Additions to funds held financing			0
Payments for Repurchase of Common Stock	0	0
Proceeds From Repayment Intercompany Borrowings	(17,405)	(153,476)	(189,463)
Proceeds from (Payments for) Other Financing Activities	0	0	0
Net Cash Provided by (Used in) Financing Activities	(79,328)	(241,536)	(279,697)
Cash and Cash Equivalents, Period Increase (Decrease)	30,371	(50,655)	59,289
Cash and Cash Equivalents, at Carrying Value	68,623	38,252	88,907
Eliminations
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities	646,173	(81,229)	(151,313)
Payments to Acquire Investments	0	0	0
Payments for (Proceeds from) Investments	0	0	0
Payments to Acquire Productive Assets	0	0	0
Payments to Acquire Businesses, Net of Cash Acquired	0	0
Proceeds from Discontinued Operations Sale of Assets and Other	0	0	0
Payments to Acquire Interest in Subsidiaries and Affiliates	(646,173)	81,229	151,313
Net Cash Provided by (Used in) Investing Activities	(646,173)	81,229	151,313
Proceeds from Convertible Debt	0		0
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	0	0	0
Payments to Acquire Royalty Interests in Mining Properties	0	0	0
Payments on gold lease facility			0
Additions to Restricted Assets		0
Additions to funds held financing			0
Payments for Repurchase of Common Stock	0	0
Proceeds From Repayment Intercompany Borrowings	0	0	0
Proceeds from (Payments for) Other Financing Activities	0	0	0
Net Cash Provided by (Used in) Financing Activities	0	0	0
Cash and Cash Equivalents, Period Increase (Decrease)	0	0	0
Cash and Cash Equivalents, at Carrying Value	$ 0	$ 0	$ 0